The Costello Pain Care Pledge™ The Costello Pain Care Pledge™ (The Costello Pledge) is a commitment to responsible pain management. Refer a Patient Refer your patient to Pitt Dental Medicine for specialty treatment and return the patient to your services. Diagnostic Pathology Services Specializing exclusively in Oral and Maxillofacial Pathology. Diagnostic Radiology Services Revolutionize your practice with digital 2-D and 3-D imaging. Continuing Education Quality, timely and innovative continuing dental education programs. Professional Opportunities Share an opportunity, or look for one on this job posting space.